Quote Originally Posted by elekm View Post
Sharpie brand pens work very well and can be bought with a fine-point tip. I don't know if they are sold in Sweden.
Another vote for the Sharpie. I keep a black marker (retractable, fine point) in each of my 35mm camera bags for marking up the film cassettes for those occasions when I have shot the film in anything other than my usual EI. BTW: The "Sharpies" seem to handle colder temperatures reasonably well.